The common causes of dry and bloody crusts in the nose are dry rhinitis, nasal mucous membrane erosion and so on. For different causes of the disease to take general treatment, drug treatment, change the bad habits of picking the nose and so on. 1. Dry rhinitis: for dry rhinitis caused by blood crusts can be sprayed with saline to soften the crusts and then cleaned up with sterile cotton swabs. Nasal point compound peppermint oil drops, vegetable oil, etc. to keep the nasal cavity moist, with erythromycin ointment coated nasal cavity, can reduce the formation of blood crust in the nose. Nasal rinsing reduces the symptoms of nasal dryness. 2. Nasal mucous membrane erosion: mostly related to the patient’s bad nose picking habits, local mucous membrane erosion capillary rupture bleeding and dry crust. First of all, remove the bad habits of nose picking, local application of gentamycin, erythromycin ointment, physiological seawater nasal spray treatment. The nose is dry and crusty, it is recommended that the hospital consultation, diagnosis is clear and follow the doctor’s instructions for medication and treatment.